Its accepted that if your hook isn't sharp you wont catch much. The same can be said of your skills too. Sitting by motionless rods for that one run can often lead to apathy in your angling. Rigs are left out for longer and longer periods and the same methods pursued regardless. If you're not getting the runs then how do you know it works? Visiting waters that gives you the chance of bites teaches you so much. It allows you to experiment and find out what does and what doesn't work. My recent trip to Hythe was typical of this. You will of course make mistakes but its better to do this on waters such as these than say Alder lake where that one run, if you're not sharp, might not come.